Land, trees and tenure : proceedings of an international workshop on tenure issues in agroforestry, Nairobi, May 27-31, 1985 / Raintree, J. B Ford Foundation International Council for Research in Agroforestry University of Wisconsin--Madison. Land tenure Agroforestry Agroforestry Land tenure Agricultural development projects 634 ICR 1987 A036 Co. Nairobi : ICRAF ; Madison : Land Tenure Center, 1987 1987 Text x, 412 p. :